The oldest double-shell tank at Hanford will be permanently closed, the Department of Energy has told the Washington Department of Ecology. After emptying as much radioactive waste as possible from ...

Two options that might speed up removal of radioactive waste from leaking underground storage tanks at Hanford will be evaluated, according to the terms of a settlement agreement reached Wednesday.

A third aging underground tank at the Hanford nuclear site is suspected of leaking highly radioactive and hazardous chemical waste into the ground, the Department of Energy said Thursday. “This is ...

An inspection of Hanford’s oldest double shell tank found not just one leak from the inner shell — it found seven. Tank AY-102 had a slow leak of radioactive and hazardous chemical waste from its ...